Articles
Degree Day Calculation
Degree Days incorporate temperature and time to quantify the rate of plant and insect development. This useful tool helps predict events such as flowering, harvest, and pest outbreaks.
Degree Days for Common Landscape Insect Pests
This factsheet lists degree days for emergence and hatching of a wide variety of landscape insect pests.
Scorch and Related Problems in Trees and Shrubs
Scorch, or the browning of leaf edges, affects a wide range of deciduous and evergreen plants throughout Wisconsin. This factsheet will help you identify causes of scorch.
Oak Wilt
Oak wilt can be lethal, especially to oaks in red oak group. Learn about this disease of oaks, the life cycle and management options.
Conservation of Native and Domestic Pollinators in Managed Turfgrass Landscapes
Bees and other pollinators provide invaluable ecological and economic services. Learn the current best practices for protecting pollinators and improving their habitats in this handy fact sheet.
Phenology
Phenology is a branch of science that studies the life cycles of plants and animals with seasonal changes and weather. Learn more in this factsheet.
Degree Days for Common Fruit & Vegetable Insect Pests
Common vegetable insects can be monitored using degree days or indicator plants. This factsheet provides degree day information for many common vegetable garden pests.
Garden Spiders
Spiders are good guys to gardeners, since they feed on other insects. There are a few main groups that are commonly found in gardens. To learn more about these fascinating arthropods, read this article…
Powdery Mildew – Trees and Shrubs
Powdery mildew is a disease that occurs on the above-ground parts of many deciduous trees and shrubs, as well as herbaceous ornamental plants, indoor houseplants, and many agricultural crops. Learn more in this factsheet.
Scales
There are many species of scales and they are difficult to control because of their protective covering. Learn to identify and manage scales in this factsheet.
Deciduous Trees Disorder: Springtime Weather Injury to Foliage
Springtime weather injury can cause misleading symptoms on foliage. This fact sheet describes symptoms and steps to minimize the likelihood of injury.
Spittlebugs
White blobs of bubbles on plants are created by the insects called spittlebugs, and their foam helps protect them. To find out more about these creatures, read this article…
